Mitsuru Ekawa

Sumitomo Electric Industries: 1 patents #196 of 538Top 40%

Overall (2025): #281,308 of 469,880Top 60%

Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
12206050	Semiconductor optical device having distributed feed-back type laser and electroabsorption-type modulator	Yuki Ito	2025-01-21